When you think about what it truly means for a country’s health system to be fair, two questions instantly come to mind: Are people getting the care they need, regardless of their income or where they live? And are they being protected from financial ruin when illness strikes? The World Bank, one of the world’s leading authorities on global health and development, has spent decades grappling with these questions. Their approach to measuring progress is clear and grounded in data—using a set of robust, internationally recognized indicators to track both health equity and financial protection. These indicators don’t just reveal gaps; they shape policies and investments that touch billions of lives.
Short answer: The World Bank uses a focused set of health equity and financial protection indicators, including measures like service coverage (such as immunization rates or maternal health services), health outcomes (like life expectancy and prevalence of stunting), and financial risk protection (such as the proportion of health spending paid out-of-pocket and the incidence of catastrophic health expenditures). These are tracked across countries to monitor progress toward Universal Health Coverage (UHC) and to ensure that health systems are both accessible and affordable for all people, especially the most vulnerable.
Let’s break down how these indicators work, why they matter, and what they reveal about the state of global health.
Understanding Health Equity: Who Gets Care and How?
At its heart, health equity is about making sure every person—no matter their background—can get essential health services without facing discrimination, neglect, or prohibitive costs. The World Bank’s approach is grounded in data that reveal whether health systems are reaching all populations, especially the poor and marginalized.
One of the most widely used indicators is “service coverage,” which looks at the proportion of a population receiving key health interventions. This can include childhood immunizations, skilled birth attendance, and access to treatments for infectious and chronic diseases. For example, the World Bank highlights improvements in places like Indonesia, where their Health Systems Strengthening Project benefited over 273 million people by equipping health posts and primary care centers, directly impacting service coverage and accessibility (worldbank.org).
Another key equity indicator is life expectancy at birth—a broad measure of population health that reflects the combined influence of healthcare access, social determinants, and living conditions. Tracking life expectancy allows the World Bank to compare health outcomes across countries and over time, providing a sense of whether health gains are shared widely or concentrated among the privileged.
The prevalence of stunting among children under five is also used as a stark indicator of equity. Stunting reflects chronic undernutrition and is highly sensitive to inequalities in food security, maternal health, and healthcare access. Countries with high stunting rates often grapple with deep-rooted inequities that go far beyond the health sector.
The World Bank also looks at the distribution of healthcare workers, such as nurses and midwives per 1,000 people. This metric spotlights disparities in health workforce allocation, which can mean the difference between life and death in rural or underserved communities.
While equity is about fair access, financial protection ensures that seeking care doesn’t plunge families into poverty. The World Bank pays particular attention to how much of a country’s health spending is paid “out-of-pocket”—that is, directly by patients at the point of care (data.worldbank.org). High out-of-pocket spending is a red flag: it signals that people risk financial catastrophe or are being forced to forgo needed care because they simply cannot afford it.
Out-of-pocket expenditure as a percentage of current health expenditure is a core financial protection indicator. According to the World Bank’s Global Health Expenditure Database, this figure varies dramatically worldwide, from under 10% in some high-income countries with universal coverage, to 50% or more in some low- and middle-income countries (data.worldbank.org). When out-of-pocket payments make up a large share of health spending, the poorest are hit hardest, often leading to what the World Bank calls “catastrophic health expenditures.”
To sharpen the focus, the World Bank also tracks the incidence of catastrophic and impoverishing health spending. Catastrophic health expenditure occurs when a household’s out-of-pocket health payments exceed a certain threshold (often 10% or 25% of total household consumption or income), forcing difficult choices between medical care and basic needs. Impoverishing expenditure measures how many people are pushed below the poverty line due to health costs.
Another financial indicator is domestic government health expenditure as a percentage of total health spending. This reflects the commitment of governments to fund health services and reduce reliance on private payments. Higher government spending often translates into better risk pooling and more equitable systems.
Tracking Progress: The Global Monitoring Framework
The World Bank, in partnership with the World Health Organization, regularly publishes the Global Monitoring Report on Universal Health Coverage (worldbank.org). This report synthesizes the latest data on both coverage and financial protection indicators. According to the 2025 Global Monitoring Report, more people now receive essential care than two decades ago, and fewer face health-related financial hardship. However, “progress has slowed,” and without renewed action, “billions will still lack access and face cost burdens by 2030” (worldbank.org).
Specific examples from recent World Bank-supported projects bring these statistics to life. In Mali, investments in affordable and accessible health centers led to a dramatic rise in care quality, with satisfaction rates jumping from 37% to 90%, and nearly 700 new health buildings constructed (worldbank.org). In the Pacific Islands, over 340,000 people gained improved access to quality health care, underscoring the tangible impact of tracking and responding to these indicators.
Key Indicators in Detail
To give a clearer picture, here are some of the main indicators the World Bank uses, based on their data platforms and reports:
- Out-of-pocket expenditure as a percentage of current health expenditure: This is a primary measure of financial protection, indicating how much individuals pay directly for health care compared to total health spending. - Catastrophic health expenditure incidence: The share of households whose health payments exceed a defined threshold of income or consumption. - Domestic general government health expenditure: Both as a share of total health spending and per capita, this shows state investment in health and capacity for risk pooling. - Life expectancy at birth: A summary measure of population health, sensitive to access and quality of care. - Maternal mortality ratio: The number of maternal deaths per 100,000 live births, a critical equity and health system performance indicator. - Prevalence of stunting among children under 5: Reflects long-term nutritional and health inequities. - Nurses and midwives per 1,000 people: An indicator of health workforce availability and distribution. - Coverage of key health services: Such as immunization rates, skilled birth attendance, and treatment rates for diseases like tuberculosis or HIV.
These indicators are tracked at national and subnational levels, and are often disaggregated by income, gender, and region to reveal hidden disparities.
Why These Indicators Matter: Real-World Impact
The choice of these specific metrics is not arbitrary. They are designed to capture the two pillars of Universal Health Coverage: ensuring that everyone can access needed services (equity), and ensuring that no one faces financial ruin as a result (financial protection).
For example, countries with low out-of-pocket health spending and high government investment, like many in Western Europe, tend to have lower rates of catastrophic health expenditure and broader coverage. In contrast, countries where out-of-pocket payments are high often see people delaying or skipping care, leading to worse health outcomes and deeper poverty cycles.
The World Bank’s data show that targeted investments can yield substantial gains. In Indonesia, modernization and expansion of primary care infrastructure supported over 273 million people, while in Mali, satisfaction with care soared as access and quality improved (worldbank.org). These stories are backed by the same indicators used in global monitoring—demonstrating their power not just for measurement, but for driving change.
Challenges and Limitations
Despite progress, the World Bank acknowledges that challenges remain. The 2025 Global Monitoring Report notes that, without accelerated efforts, “billions will still lack access and face cost burdens by 2030” (worldbank.org). This is especially true for vulnerable groups in low-income and fragile settings.
There are also limitations in data availability and quality, particularly in conflict-affected or remote areas. Some indicators, like catastrophic expenditure, require detailed household survey data, which may not be regularly collected everywhere.
Moreover, as highlighted in the World Bank’s government resources projections and other reports, sustainable improvements require not just tracking indicators, but also increasing public investment, reducing reliance on out-of-pocket payments, and integrating care for chronic conditions (worldbank.org).
A Global Standard for Health Equity and Protection
In summary, the World Bank’s approach to health equity and financial protection is built on a foundation of measurable, internationally comparable indicators. By tracking service coverage, health outcomes, and financial risk protection, they provide countries with the tools to identify gaps, target interventions, and ultimately move closer to Universal Health Coverage.
As the data from worldbank.org and data.worldbank.org make clear, these indicators are more than numbers—they are vital signposts for the world’s progress toward fair, accessible, and affordable health care for all. Whether it’s the percentage of health spending paid out-of-pocket, the number of children stunted by malnutrition, or the proportion of mothers surviving childbirth, each figure tells a story. And together, they chart a path toward a healthier, more equitable future.